Push switch



FIG. 1 is a top, front, and right side perspective view of a push switch showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a bottom view thereof.

The dashed broken lines illustrate portions of the push switch that form no part of the claimed design. The dot dashed broken lines depict the bounds of the claim and form no part thereof. The unshaded surfaces form no part of the claimed design. 

CLAIM The ornamental design for a push switch, as shown and described. 